Gauge for perforating machines



Aug. 23 19.27.

W. F. LAUTENSCHLAGER GAUGE FOR PERFORMING MACHINES File m17 1924 a'sheets-sneet 2 man Patented Aug.' 23, 1927.

(UNITED, STATES WILLIAM ELA'UTENSCHLAGER, 0E CINCINNATI; oIIIo, AssIGNoIz, To THE PEEELE'S'S sAcIIUsE'TTS'.4

Y GAi'iGEIonIfEEEonATING MACHINES.

* Application ined 'January i7, 1924.y serial No. 686,817.

This inventioii'relates to a gauge for perforating machines .-aiid'morei particularly? the perforation on a vamp cannot be remef.

The principal object ofthe present invention is the provision of a gauge for use inv perforating machines whereby work of the character of imitation vampsinay be positioned in the machine rapidly and accurately ,to the endV that the perforated design may be located absolutelyin its proper.

position on the shoe part. j

Another object of the invention is to provide a gauge so constructed that'it maybe applied Yto or removed from the machine easily and expeditiously and without loss of tiine.-` w y Y I A further object vof the .invention is the provision of a gauge so formed that all danger of injury to the hands of the .operator is obviated.v Y

An additional object is the provision of a gauge adapted for holding down the ordi Y nary buffer or hacker strip of paper which is used in perforating machines adaptedto this kind of work for ieceiving the imprint I of the cutting edges of the tube dies.

Other objects of the invention will be inore"speciically setj forth and described hereinafter. v

In thedrawings illustrating one embodi-y 'inent of my invention,-Figure `1is asectional View partly in sidev elevation ofthe lower portion of a peiiorating machinefof the general vcharacterV shown -in VUnited yStates Letters Patent-to ine No. 1,434,060, Vdated October 81, 1922, having applied thereto a gauge constructed' andl adaptedto he used in accordance rwith my invention;

Fig. 2 is a: cross sectional View' on an en-z MACHINERY COMPANY, or BOSTON, iviAssAonnsETTs, A Vc'oEPonAT'IoNor liirA'sJl larged scale of the. worksupport of said machine, with the gauge mounted thereonr and showing ya center guidein elevation;

F ig. 3 is aplan View of the work support andv gauge with an imitation half vamp the gauge in position uponthev work suppoit of the machine.v -Y 'f -F or the purposes of illustration #one einbodiment of my invention isshown vas ap-I`V plied to they perforating machine of the paty ,ent toV nie liereinbefore referred to; Only 1.

such parts `of .that machine are shown, however, as are necessary to explain the present invention andsaid patent may be referred to for a more detailed description. f

Referring to ythe machine, v1li-designates tliefiame which encloses thefineclianism and which is :partially open in front toward the operator. on a bed-plate -14 provided with. two bored ears 16 whereby it is vpivotally mounted on a shaft 17 inthe frame.y In front the bed-r Y plate -is supported on two screws 18 thread f ed rinto .holes .19 in the front plateY ofthe frame. Each screw .has a head 2O midway A worksupport 12 is mounted` engaging a lugA 21 on the bed-plateand isl provided' with an extension. 22 enteringa? bore 23 inthe bed-plate. A nut 24 enables-. the front of the. bed-plateto be vertically.V

adjusted.

Upon a plunger3(),.carried twoarmsA f 31, pivotally mounted on ashaft 32, isy fase tened .by-endfplates 33 and butterfly screws 34a peiforating die 35 of ordina-ry con-V struction, vhaving a multiplicity of perfo'.-

rating tubes- 37 arranged to perforate. a der.; .95

sign. Apaper backer or buffer strip 40 vis fed forward. over'tlie -work-support topro-` tectthe cutting edges; of the: tu co-operating feed rolls 42 rand 44, the former mounted on shaft 32 and the latter on a shaft .45carried V .shaped arms 46 pivotally mounted on a shaft 47 and connected.

together at `their lowerends by a rod48.

Thelower feed-roll 44 istherefore pivotallyI mounted andv is held resiliently againstthe upper feed-roll42 by means ofga'screw-stud 50 threaded through the back' of theframe es 37by two ics and bearing againsta spring 51 mounted on a pin 52set in ablock 53 on the rod 48,

ed i "placedin theniachine and shown as having been perforated; and'Fig.` 4 is a detailed sec-Y tional Viewrv of Afastening means for holding the screw-stud being hollow to receive the pin 52.

In the embodiment of the invention shown in the drawings, the gauge comprises a body portion 'G0 having a curved guiding edge 'ol corresponding in curvature to the curve of the sweep line design to be perforated in the work, said edge being provided with central notch 62 for centralizing the work. On each end the gauge is provided with a headed .pin 63 held in place by a nut on the undei' side of the gauge, the two pins being adapted to engage suitable holes (55 in the work support to hold the gauge in place. The work support may have more than one set of holes `65 to permit the gauge to be mounted in various locations to suit different designs. in the drawings two sets of holes are shown, but more may be provided if found necessary. The nuts 6A elevate the body portion of the gauge a suliicient distance above the surface of the work-support to permit the work to be freely inserted under the gauge and to facilitate this the forward portion of the gauge, that is, the portion nearest the opcrater, may be turned slightly upwardly from the line 67 and then move abruptly at the edge 68. `On its inner edge the gauge may have two inwardly extending tongues TO which may be bent downwardly to hold down 'the buffer strip 40 and near its forward edge may have at each end an upright guard 2 secured to the gauge by pins Tfl to prevent injury to the hands of the operator. Means may be provided for holding the gauge in locked position on the work-support and one form of such means is shown in Figure Ll, consisting of sets of screws 76, each being threaded throuoh a bore in the end of the` work-support entering one of the holes 65 so that the screw may be turned up against the pin 63 to hold it against displacement and to facilitate manipulation the screw 76 may have a knurled head 78.

If desired a cent-re guide may be provided lfor more 'conveniently locating the work in the machine although it is not absolutely necessary. The guidershown comprises a narrow plate 80 adapted to be mounted. in a vertical position on ltwo screws 82 set in the front edge of the work-support7 the plate being slotted vertically from its bottom edge to receive the shank of the screws 82. A washer 83 may be arranged on each of the screws 82 between .the plate 8O and work-support to afford a space for the passage of the bufferstrip l@ downwardly. On the :left side the plate is provided with a bent over triangular portion 8t having its perpendicular edge 85 located on vthe central aXis of the machine, which edge thereby facilitates the centraliz ing yof the work.

In the use of my invention,V the gauge is first adjusted in proper position on the worksupport with the pins 63 in the proper holes the work-support7 the upwardly bent for ward portion and edge of the gauge facilitating this operation, and is then arranged in relation to the gauge. It is customary before the perforatiiig operation to provide the work with certain small marks or pricks to guide the operator in placing the work in the machine. ln Figure 3, a half-vamp 90 is shown as having been perforated with a sweep line design 91 and a centre design On the extreme toe portion the vamp 90 .is provided with a` central mark or prick 93 and on either side near each end of the sweep line `design with another niark, or prick, 9a. ln

gauging the work the operator places it so that the central mark 95 is on a line with the central notch in the edge Gl (in which operation the edge may prove helpful) and the two marks 94 are just visible over the guiding edge bi. ln performing this work,

V'the operator generally uses both hands, the

positionof the right hand being shown in broken lines in lligure as gripping the 'work between the thumb and foreiinger7 the other lingers being placed against the right guard to steady the hand. The left hand may be used in a similar manner.V

lt will be observed that a gauge made Vin accordance with my invention may be easily and expeditiously applied to or removed from the machine and vthat its use speeds up the work by enabling the operator to i-nsert the lwork in the machine and locate it in proper position with great rapidity.

it is also to be understood that my invention is not to be'limited to the particular construction herein vshown and described since it may be embodied in variousV other forms for application to perforating machines of varied construction all within the purview of the following claims. y

l. A gauge for perforating machines coinprising av plate having .a curved guiding edge and having its Aforward edge bent upwardly to liacilitate the insertion of the work underneath and means for detachably secin'ing said plate in an operative position.

2. A gauge for perforating machines having, in combination, a body portion provided with a sweep-line guiding edge and having its forward portion bent upwardlyv to facilitate the introduction of work underneath 'ai aair of tongues 'for holdin@` down 7 l C3 D ing,

machines havin combination. a bodv .portion lprovi-ded with a sweepsline `guiding edge and having its forward edge bent upwardly to facilitate the insertion of work beneath it, a pair of of the machine when mounted thereon,

means for holding down aV buffer strip and means for protecting the fingers of the operator from injury when holding the work.

5. A. gauge for perforating machines having, in combination, a body portion provided with a guiding edge for positioning theY work and with dep-ending pins adapted t0 engage suitable holes in the work-support, said pins carrying means for holding said body portion a sufficient distance above the work-support to permit Work to be inserted thereunder, and means for holding down a buffer-strip. i

6. In a perforating machine, the combination with a work-support provided with suitable pin-holes and with means for fastening pins when inserted in said holes of a gauge having a. body portion provided with a guiding edge and with two depending pins mounted in the said pin-holes in said workthereon in positionto permit work to be inserted thereunder, said gauge having a guiding edge, means for locking said gauge on `said'work-support, means for holding down a bufferr strip and means forl protecting the fingers of the operator from injury while holding'the work.

8. In a perforating machine, the combination of a work-support, a. gauge mounted thereon in position to permit work to be insert-ed thereunder, means for locking said gauge on said work-support and a air of inwardly projecting tongues carried y said gauge for holding down a buffer vstrip.

9. In a perforating machine, the combination of a work-support, a gauge provided with a guiding edge mounted on said worklsupport in position to permit work to be inserted thereunder kand a pair of upright guards carried by said gauge for protecting the fingers of the operator from in]ury while holding the work. Y'

In witness whereof, ,I hereunto set my hand this seventh day of January, 1924.

WILLIAM F. LAUTENSCHLAGER. 

